Friday 22 September 2017

practical no 1

                             WELDING ROD

DATE:-20 JULY 2017


Aim:- Information about welding rod

Materials:- 1) kewlin
                   2) starch
                   3)chalk
                   4) lime
                   5)di-oxydigin
                   6) coating and flux
About:- length:-  350 mm
              gauge:- 12 gauge
              thikness:- 2.5 mm
              types:- m.s rod, s.s rod, and casting rod
              
             amp:- 80-110 amp

images:-

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